Electrical double layer capacitor



FIG. 1 is a front upper right perspective view of an electrical double layer capacitor showing our new design;

FIG. 2 is a front lower left perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a right side elevation view thereof; the left side elevation view being a mirror image thereto;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for an electrical double layer capacitor, as shown and described. 